Driver assistance system and driver assistance method

Abstract

A driver assistance system, a method therefor, and a driver assistance system for a vehicle are provided. The driver assistance system includes a wearable device to measure an electroencephalogram (EEG) signal and head movement of a driver of a moving device, a mobile terminal including an application to receive the EEG signal measured by the wearable device, receive information about the head movement measured by the wearable device, receive a traveling information signal acquired by the moving device, process and provide to a server the received EEG signal, the received information about the head movement, and the received traveling information signal, and receive big data-based inattentiveness alarm information from the server based on information provided to the server by the mobile terminal, and a control module to provide an inattentiveness-related alarm to the driver, and control the moving device based on the inattentiveness alarm information.

What is claimed is: 
     
         1 . A driver assistance system, comprising:
 a wearable device configured to measure an electroencephalogram (EEG) signal and head movement of a driver of a moving device;   a mobile terminal including an application configured to:
 receive the EEG signal measured by the wearable device; 
 receive information about the head movement measured by the wearable device; 
 receive a traveling information signal acquired by the moving device; 
 process and provide to a server the received EEG signal, the received information about the head movement, and the received traveling information signal; and 
 receive big data-based inattentiveness alarm information from the server based on information provided to the server by the mobile terminal; and 
   a control module configured to:
 provide an inattentiveness-related alarm to the driver; and 
 control the moving device based on the inattentiveness alarm information. 
   
     
     
         2 . The driver assistance system of  claim 1 , wherein the inattentiveness alarm information includes at least one of information determined based on at least one of traveling information obtained by a plurality of moving devices, the EEG signal for each piece of the traveling information, the information about the head movement for each piece of the traveling information, or any combination thereof. 
     
     
         3 . The driver assistance system of  claim 1 , wherein the information about the head movement includes at least one of a difference between a head angle of the driver and a reference angle, the number of changes in the head angle of the driver, a duration of a changed head angle of the driver, or any combination thereof. 
     
     
         4 . The driver assistance system of  claim 3 , wherein the inattentiveness alarm information includes at least one of information about a posture of the driver, information about a drowsy state of the driver, or any combination thereof. 
     
     
         5 . The driver assistance system of  claim 4 , wherein the control module is further configured to provide at least one of the inattentiveness-related alarm to the driver according to one or more of the posture, the drowsy state related to the inattentiveness alarm information, or any combination thereof. 
     
     
         6 . The driver assistance system of  claim 1 , wherein the application is further configured to:
 measure a correct posture characteristic of the driver using the information about the head movement measured during a predetermined time period while the driver wears the wearable device and drives the moving device; and   measure the head movement of the driver after the predetermined time period based on the correct posture characteristic of the driver.   
     
     
         7 . The driver assistance system of  claim 1 , wherein the application is further configured to:
 measure an EEG characteristic of the driver using the EEG signal measured during a predetermined time period while the driver is wearing the wearable device and driving the moving device; and   measure the EEG signal after the predetermined time period based on the EEG characteristic of the driver.   
     
     
         8 . The driver assistance system of  claim 1 , wherein the wearable device includes:
 a measurer configured to be worn on an ear of the driver; and   a functional member including a battery configured to supply power to the measurer,   wherein the functional member is configured to be fixed to a body part other than the ear of the driver or to a fixed object.   
     
     
         9 . A driver assistance method, comprising:
 measuring an electroencephalogram (EEG) signal of a driver of a moving device, head movement of the driver, and a traveling information signal of the moving device;   processing and providing to a server the measured EEG signal, information about the measured head movement, and the measured traveling information signal;   receiving big data-based inattentiveness alarm information from the server based on information provided to the server;   providing an inattentiveness-related alarm to the driver; and   controlling the moving device based on the inattentiveness alarm information.   
     
     
         10 . The driver assistance method of  claim 9 , wherein the information about the head movement includes at least one of a difference between a head angle of the driver and a reference angle, the number of changes in the head angle of the driver, a duration of a changed head angle of the driver, or any combination thereof.  11  The driver assistance method of claim  10 , wherein the inattentiveness alarm information includes at least one of information about a posture of the driver, information about a drowsy state of the driver, or any combination thereof. 
     
     
         12 . The driver assistance method of claim  11 , wherein the providing of the alarm further includes providing at least one of the inattentiveness-related alarm to the driver according to one or more of the posture, the drowsy state related to the inattentiveness alarm information, or any combination thereof. 
     
     
         13 . The driver assistance method of  claim 9 , wherein the measuring of the EEG signal further includes:
 measuring a correct posture characteristic of the driver using the information about the head movement measured during a predetermined time period while the driver wears a wearable device and drives the moving device; and   measuring the head movement of the driver after the predetermined time period based on the correct posture characteristic of the driver.   
     
     
         14 . The driver assistance method of  claim 9 , wherein the measuring of the EEG signal further includes:
 measuring an EEG characteristic of the driver using the EEG signal measured during a predetermined time period while the driver is wearing a wearable device and driving the moving device; and   measuring the EEG signal after the predetermined time period based on the EEG characteristic of the driver.   
     
     
         15 . A driver assistance system, comprising:
 a vehicle configured to gather traveling information;   a wearable device configured to measure an electroencephalogram (EEG) signal and head movement of a driver of the vehicle;   a mobile terminal including a controller configured to:
 receive the EEG signal measured by the wearable device; 
 receive information about the head movement measured by the wearable device; and 
 receive the traveling information from the vehicle; 
   a server configured to:
 receive from the mobile terminal, the EEG signal, the information about the head movement, and the traveling information; and 
 generate big data-based inattentiveness alarm information based on information provided to the server by the mobile terminal; and 
   a control module configured to:
 provide an inattentiveness-related alarm to the driver; and 
 control the vehicle based on the inattentiveness alarm information. 
   
     
     
         16 . The system of  claim 15 , wherein the inattentiveness alarm information includes at least one of information determined based on at least one of traveling information obtained by a plurality of vehicles, the EEG signal for each piece of the traveling information, the information about the head movement for each piece of the traveling information, or any combination thereof. 
     
     
         17 . The system of  claim 15 , wherein the information about the head movement includes at least one of a difference between a head angle of the driver and a reference angle, the number of changes in the head angle of the driver, a duration of a changed head angle of the driver, or any combination thereof. 
     
     
         18 . The system of  claim 17 , wherein the inattentiveness alarm information includes at least one of information about a posture of the driver, information about a drowsy state of the driver, or any combination thereof. 
     
     
         19 . The driver assistance system of  claim 18 , wherein the control module is further configured to provide at least one of the inattentiveness-related alarm to the driver according to one or more of the posture, the drowsy state related to the inattentiveness alarm information, or any combination thereof. 
     
     
         20 . The driver assistance system of  claim 15 , wherein the controller is further configured to:
 measure a correct posture characteristic of the driver using the information about the head movement measured during a predetermined time period while the driver wears the wearable device and drives the vehicle; and   measure the head movement of the driver after the predetermined time period based on the correct posture characteristic of the driver.